Nissan Altima 2019–2021 — technical service bulletin
Bulletin NTB21-034A · NHTSA communication 10201208 · issued Aug 6, 2021
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
3
vehicle entries
Official summary
AC INOPERATIVE WITH DTC B20C8-14 STORED IN THE IPDM E/R This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.